hello-bar | Greet your visitors with a hello bar | Runtime Evironment library
kandi X-RAY | hello-bar Summary
kandi X-RAY | hello-bar Summary
This is an open-source alternate to the Hello Bar service. It's a great way to capture leads, announce a sale or discount, etc. It supports targeting based on location, referrer, A/B testing, etc.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of hello-bar
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hello-bar Examples and Code Snippets
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Trending Discussions on hello-bar
QUESTION
Why is the view not being updated when a variable changes within a subscribe?
I have this code:
example.component.ts
...ANSWER
Answered 2019-Sep-10 at 14:52As far as I know, Angular is only updating the view, if you change data in the "Angular zone". The asynchronous call in your example does not qualify for this. But if you want, you can put it in the Angular zone or use rxjs or extract part of the code to a new component to solve this problem. I will explain all:
EDIT: It seems like not all solutions are working anymore. For most users the first Solution "Angular Zone" does the job.
1 Angular Zone
The most common use of this service is to optimize performance when starting a work consisting of one or more asynchronous tasks that don't require UI updates or error handling to be handled by Angular. Such tasks can be kicked off via runOutsideAngular and if needed, these tasks can reenter the Angular zone via run. https://angular.io/api/core/NgZone
The key part is the "run" function. You could inject NgZone and put your value update in the run callback of the NgZone object:
QUESTION
I'm trying to make a generator that will concatenate each item in a list with each line of a file.
My file /tmp/list
contains:
ANSWER
Answered 2018-Oct-23 at 19:14You only have one outer loop, and you just grab the first line of the file by using next
. But you'll want to iterate over the fh
as well - i.e. there should be two loops.
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